Not sure if this is correct for this case but it looks like in the past an updated netboot image was provided which listed the updated version of libc6-udeb.
diff ubuntu/dists/focal/main/installer-amd64/current/legacy-images/udeb.list ubuntu/dists/focal-updates/main/installer-amd64/current/legacy-images/udeb.list |grep libc6-udeb < libc6-udeb 2.31-0ubuntu9 amd64 > libc6-udeb 2.31-0ubuntu9.2 amd64 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926223 Title: Netboot Loading libc6-udeb failed for unknown reasons (focal) 2020-04-21 To manage notifications about this bug go to: https://bugs.launchpad.net/debian-installer/+bug/1926223/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
